Finding the Fourth Proportional to 177,947.20, 266,878.68 and 51,553.99
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Solution
The fourth proportional to 177,947.20, 266,878.68 and 51,553.99 is: 77,318.78
Step by Step Solution
- Step 1: Write the proportion equation
177,947.20 : 266,878.68 = 51,553.99 : x - Step 2: Convert to fraction form
177,947.20/266,878.68 = 51,553.99/x - Step 3: Cross multiply
177,947.20x = 266,878.68 × 51,553.99 - Step 4: Simplify right side
177,947.20x = 13,758,660,799.93 - Step 5: Solve for x
x = 13,758,660,799.93/177,947.20 - Step 6: Final answer
x = 77,318.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.